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CVE

CVE-2026-34486

Apache Tomcat: Fix for CVE-2026-29146 allowed bypass of EncryptInterceptor
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CVE

CVE-2026-34486

Apache Tomcat: Fix for CVE-2026-29146 allowed bypass of EncryptInterceptor

Missing Encryption of Sensitive Data vulnerability in Apache Tomcat due to the fix for CVE-2026-29146 allowing the bypass of the EncryptInterceptor.

This issue affects Apache Tomcat: 11.0.20, 10.1.53, 9.0.116.

Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fix the issue.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
7.5
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
C
H
U
-

Related Resources

No items found.

References

https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-34486.json, https://www.cisa.gov/known-exploited-vulnerabilities-catalog?fieldcve=CVE-2026-34486, https://www.vicarius.io/vsociety/posts/cve-2026-34486-detection-script-rce-on-apache-tomcat, https://www.vicarius.io/vsociety/posts/cve-2026-34486-mitigation-script-rce-on-apache-tomcat, https://access.redhat.com/errata/RHSA-2026:36787, https://access.redhat.com/errata/RHSA-2026:36788, https://access.redhat.com/errata/RHSA-2026:36789, https://access.redhat.com/errata/RHSA-2026:36790, https://access.redhat.com/errata/RHSA-2026:36876, https://access.redhat.com/errata/RHSA-2026:36877, https://access.redhat.com/errata/RHSA-2026:36878, https://access.redhat.com/errata/RHSA-2026:36879, https://access.redhat.com/errata/RHSA-2026:37136, https://access.redhat.com/errata/RHSA-2026:37137, https://access.redhat.com/errata/RHSA-2026:38505, https://access.redhat.com/errata/RHSA-2026:39188, https://access.redhat.com/errata/RHSA-2026:39189, https://access.redhat.com/security/cve/CVE-2026-34486, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34486.json, https://lists.apache.org/thread/9510k5p5zdvt9pkkgtyp85mvwxo2qrly, https://nvd.nist.gov/vuln/detail/CVE-2026-34486, https://socradar.io/blog/snowlight-government-chinese-campaign/, https://bugzilla.redhat.com/showbug.cgi?id=2457027

Severity

7.5

CVSS Score
0
10

Basic Information

Base CVSS
7.5
EPSS Probability
0.98616%
EPSS Percentile
0.99921%
Introduced Version
d2c7dce5e94d6d1d81ad7d66402140b1c1962a53,0
Fix Available
1:9.0.87-2.el8_10,1:9.0.117-2.el9_8,1:10.1.49-3.el10_2,1:9.0.117-2.el10_2,3.2.0-r6,5.5.0-r8,5.5.0-r4

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